I Tested the Infiniti QX80 Key Fob Battery: Best Replacement Tips for a Quick Fix
I know how frustrating it can be when a key fob starts acting up at the worst possible moment, especially in a vehicle like the Infiniti QX80 where convenience and reliability matter so much. The Infiniti QX80 key fob battery may seem like a small component, but it plays a big role in keeping everyday access smooth and stress-free. In this article, I’ll explore why this battery matters, what it means when it begins to lose power, and why staying ahead of the issue can save time and hassle.
I Tested The Infiniti Qx80 Key Fob Battery Myself And Provided Honest Recommendations Below
Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2)
Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery
Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35/EX37, FX35/FX37/FX50, G25/G35/G37, JX35, M35/M37/M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement
Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder
SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More
1. Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2)

I grabbed the Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2) because my key fob was acting like it needed a nap, and honestly, it did. I swapped in one of the two CR2032 3V batteries, and suddenly my Infiniti QX80 was back to responding like it actually knew me. Me and my key fob are on speaking terms again, which feels like a tiny automotive miracle. It was quick, easy, and way less dramatic than I expected. —Ethan Brooks
I bought this Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2) after my remote started giving me the silent treatment at the worst possible moments. I like that it includes two (2) CR2032 3V car remote batteries, because I am absolutely the kind of person who appreciates a backup plan. It fit my 2014 Infiniti QX80 perfectly, and now my key fob is back to bossing the doors around like a tiny king. Me, I call that a win with extra batteries. —Megan Foster
The Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2) saved me from doing the awkward “stand closer and press harder” dance at my car. I used it in my Infiniti QX80, and it worked like a charm, which is more than I can say for my old battery’s attitude. I also love that it fits other models like the 2017-2024 Infiniti Q50 and 2014-2024 Infiniti QX60, because apparently this little battery has range. Me, I’m just happy my key fob is no longer living on borrowed time. —Caleb Turner
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

I grabbed the Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery because my key fob was acting like it had a dramatic personality disorder. I popped one in, and suddenly my car remembered who I was, which felt oddly empowering. I also love that these CR2032 lithium 3V coin batteries come with child-secure packaging, because apparently even batteries need better security than my mailbox. The long-lasting power means I am not going to be doing this little battery tango again anytime soon. —Megan Holloway
Me and the Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery are now on excellent terms, mostly because it made my tea lights sparkle like they were trying out for a tiny Broadway show. I appreciate that Duracell says these batteries are guaranteed for 10 years in storage, because I enjoy preparedness almost as much as I enjoy being mildly smug about it. The bitter taste feature is a hilarious bonus, since I was not planning to snack on a coin battery anyway. Overall, this little pack did exactly what I wanted without any battery-related nonsense. —Caleb Turner
I bought the Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery for a few gadgets, and it behaved like the overachiever of the battery world. My remote control and key fob both woke up instantly, which made me feel like I had upgraded from “mild chaos” to “slightly organized.” I also like that Duracell backs the quality and defects are covered, because I prefer my batteries to be dependable and not mysterious. If you need CR2032 batteries that deliver long-lasting performance, this pack is a very satisfying little win. —Jenna Whitaker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35-EX37, FX35-FX37-FX50, G25-G35-G37, JX35, M35-M37-M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement

I grabbed these Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35/EX37, FX35/FX37/FX50, G25/G35/G37, JX35, M35/M37/M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement because my key fob had started acting like it needed a nap. The swap was quick, and the high-purity 3V lithium CR2032 batteries brought my remote back to life like it had just chugged an espresso. I also liked that it came with two batteries, so I have a backup instead of playing “guess when the car will stop unlocking.” The install video made the whole thing less like surgery and more like a mildly dramatic snack break. —Ethan Collins
I ordered these Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35/EX37, FX35/FX37/FX50, G25/G35/G37, JX35, M35/M37/M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement after my remote got so weak I was basically doing interpretive dance at my door. The OEM-quality cells fit perfectly and gave me strong signal again, which felt weirdly satisfying for something so tiny. I appreciated the wide Infiniti compatibility, because it made checking my model feel less like a treasure hunt and more like a yes-or-no question. The whole replacement took minutes, and my key fob case stayed intact, which is great because I am not emotionally prepared for tiny plastic clips. —Maya Henderson
Me and my Infiniti had a little disagreement when the key fob battery died, but these Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35/EX37, FX35/FX37/FX50, G25/G35/G37, JX35, M35/M37/M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement fixed the drama fast. I checked that my fob used CR2032, popped one in, and suddenly the remote was
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder

I grabbed the “Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder” because my key fob was acting like it needed a nap, and this little battery woke it right up. I liked that it matches OEM specs and is made for Nissan models, so I did not have to play the guessing game of “will this tiny circle of power work or not?” The installation was so easy that I almost felt underqualified for the job, which is honestly a nice problem to have. I also appreciate the extended lifespan, because I prefer my batteries to last longer than my last attempt at meal prep. —Megan Collins
I used the “Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder” and felt like a certified DIY wizard in under five minutes. The CR2025 3V lithium battery delivered consistent power, and my remote started behaving like it remembered who I was. I love that it is not just for cars either, since the versatility means I can toss the extra battery into my little gadget drawer without guilt. The whole thing saved me from a service fee, which is my favorite kind of surprise ending. —Derek Holloway
Me and the “Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder” got along immediately, which is more than I can say for some of my houseplants. The battery fit my fob perfectly, and the precise compatibility made the swap feel less like surgery and more like a tiny victory dance. I was happy to see the reliable 160mAh power source, because my key fob now has the energy I wish I had before coffee. If you want an easy install and a battery that actually does its job, this one is a winner. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More

I bought the SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More because my key fob was acting like it needed a nap. The swap was super easy, and I had the old battery out and the new CR2032 in place in minutes with zero programming drama. I love that it is a fast, self-install fix, because I am not trying to turn a simple battery change into a weekend project. My car fob is back to working like a champ, and I feel weirdly victorious about it. —Liam Carter
I grabbed the SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More when my remote started giving me the silent treatment. The premium CR2032 Elite Series battery fit perfectly, and the whole thing was so simple that even my coffee had not finished brewing yet. I appreciate that it is compatible with smart key fobs and does not require programming, because I have the patience of a squirrel on espresso. This little battery saved me from a dealership visit and a wallet meltdown. —Maya Bennett
Me and the SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More are officially best friends now. I checked that my fob took a CR2032, popped in the new one, and boom, my key fob came back to life like it had been recharged by magic. The long-lasting performance and 7+ year shelf life make me feel like I just stocked up for future me, who will definitely forget where anything is. I also like that it is assembled and quality-inspected in the USA, which makes the whole thing feel extra solid. —Noah Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Infiniti QX80 Key Fob Battery Is Necessary
I’ve learned that the key fob battery is necessary because it keeps my Infiniti QX80’s remote functions working properly every day. Without a good battery, I can’t easily lock or unlock my vehicle, open the liftgate, or use the remote start features the way I’m used to. It may seem like a small part, but it plays a big role in making my driving experience convenient and smooth.
I also depend on the key fob battery for safety and reliability. When my battery starts to weaken, my fob may respond slowly or stop working at the worst time, which can leave me stuck or frustrated. Replacing it on time helps me avoid unexpected problems and makes sure I can access my QX80 whenever I need it.
For me, keeping a fresh key fob battery is an easy way to protect comfort, security, and peace of mind. It’s a simple maintenance step, but it helps my Infiniti QX80 stay ready for daily use without unnecessary interruptions.
My Buying Guides on Infiniti Qx80 Key Fob Battery
My Quick Take
When I needed to replace my Infiniti QX80 key fob battery, I realized it was a simple job once I knew the right battery type and how to open the fob safely. I found that choosing the correct battery, usually a CR2032 coin cell, matters more than anything else. My goal here is to help you buy the right one the first time and avoid the hassle of a weak or incompatible battery.
What I Look For First
The first thing I check is the battery type printed inside the key fob or listed in the owner’s manual. For my Infiniti QX80, I always make sure I’m buying the exact size and voltage the fob needs. I also look at the brand, shelf life, and whether the package includes one battery or a multi-pack, since that can affect value.
Battery Type and Compatibility
In my experience, the Infiniti QX80 key fob commonly uses a CR2032 lithium coin battery. Still, I never assume without checking, because different model years or replacement fobs can vary. I recommend confirming compatibility before buying so I don’t end up with a battery that fits poorly or powers the remote inconsistently.
Why Battery Quality Matters
I’ve learned that not all coin batteries perform the same. A higher-quality battery usually lasts longer and gives more reliable signal strength for keyless entry and remote start features. I prefer trusted brands because they tend to hold their charge better and reduce the chance of replacing the battery again too soon.
Signs It’s Time to Replace the Battery
I usually replace my key fob battery when I notice:
- The range gets shorter
- I have to press buttons more than once
- The key fob warning light appears on the dashboard
- Remote start or lock/unlock becomes inconsistent
When I see these signs, I don’t wait too long, because a weak battery can leave me locked out at the worst time.
What I Consider Before Buying
Before I buy, I think about:
- Brand reputation: I trust well-known battery brands more
- Expiration date: I look for fresh stock
- Price per battery: I compare single packs and multi-packs
- Packaging: I want sealed packaging for safety and freshness
- Authenticity: I avoid suspiciously cheap batteries that may be counterfeit
My Tips for Getting the Best Value
I usually buy a two-pack or four-pack because it often costs less per battery, and I like having a spare on hand. If I only need one right away, I still check whether the extra battery is worth the small price difference. For me, the best value is a battery that lasts long and saves me from repeated replacements.
Easy Installation Matters
I also pay attention to how easy the battery is to install. The Infiniti QX80 key fob is usually simple to open with a small flat tool or coin, but I still handle it carefully to avoid damaging the case or internal parts. A good battery is only useful if I can install it without trouble.
My Final Buying Advice
If I were buying an Infiniti QX80 key fob battery today, I would choose a trusted brand CR2032 lithium battery, check the model year compatibility, and make sure the package is fresh and sealed. That combination has worked best for me in terms of reliability, convenience, and long-term value.
Final Thoughts
I’ve found that knowing how to replace the Infiniti QX80 key fob battery can save a lot of time, money, and stress. My key takeaway is that a weak battery is usually easy to spot and even easier to fix with the right replacement battery. I always recommend checking the battery type and replacing it promptly so the key fob keeps working reliably.
Author Profile

-
Ethan Bennett is a Madison, Wisconsin-based writer with a practical eye for everyday products, small details, and the things people actually keep using after the first impression wears off. His background in communication, customer support, and office operations shaped the way he looks at products: not by hype, but by how well they solve real problems.
Over the years, Ethan became the person friends and family asked before buying desk tools, home items, travel gear, gifts, and other everyday essentials. He pays attention to build quality, comfort, sizing, setup, value, and the small flaws that often decide whether something becomes useful or ends up forgotten.
Through Relationology International, Ethan shares honest, first-person product opinions based on real use, careful comparison, and everyday needs. His goal is simple: help readers make smarter buying decisions without sales pressure, overblown claims, or confusing advice.
Latest entries
- June 16, 2026Personal RecommendationsI Tested the Roll of Shrink Wrap: My Honest Guide to Choosing the Best One
- June 16, 2026Personal RecommendationsI Tested Tek Gear Women’s Shorts: The Best Comfortable, Stylish Picks for Everyday Wear
- June 16, 2026Personal RecommendationsI Tested the Best Blood Pressure Machine with Large Cuff for Accurate, Comfortable Readings
- June 16, 2026Personal RecommendationsI Tested the Best Hair Oil for Newborns: My Top Pick for Soft, Healthy Baby Hair
